OpenAI时隔六年再开源，国内大模型竞争格局添变数

Core Insights - OpenAI has released two open-source large language models, gpt-oss-120b and gpt-oss-20b, marking its first open-source model release since GPT-2 in 2019, signaling a significant shift in the global AI landscape [1][2][4] Model Specifications - gpt-oss-120b has a total parameter count of 117 billion and can run on a single 80GB GPU, designed for production environments and high inference demands [2] - gpt-oss-20b has a total parameter count of 21 billion and can operate on a 16GB GPU, optimized for lower latency and localized use cases [2] - Both models utilize the Transformer architecture and incorporate a mixture of experts (MoE) design to enhance efficiency [2] Licensing and Usability - The models are released under a permissive Apache 2.0 license, allowing developers to use, modify, and commercialize without fees or copyleft restrictions [3] - They support configurable inference strength and provide full access to the reasoning process, facilitating debugging and enhancing output credibility [3] Market Impact - OpenAI's release is seen as a response to increasing competition in the global AI market, where many companies are rapidly developing and releasing their own models [4][5] - Prior to OpenAI's release, several Chinese companies, including Tencent and Alibaba, had already launched their own open-source models, intensifying the competitive landscape [6][7][8] Competitive Landscape - The recent surge in open-source model releases from various companies in China, such as Baidu and Tencent, has set a new benchmark in the AI open-source arena [7][10] - OpenAI's entry with gpt-oss models is expected to significantly alter the dynamics of the domestic AI model competition, providing opportunities for local companies to learn and innovate [10]